* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

img {
  width: 100%;
  object-fit: contain;
}

#image-list {
  display: flex;
  flex-wrap: wrap;
}

.img-div {
  padding: 5px;
  width: calc(100% / 4);
}

.el-button {
  position: absolute;
  right: 0;
  top: 0;
}